North Dakota approves project to recycle oil drilling waste

April 14, 2015 11:58 PM

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North Dakota lawmakers on Tuesday approved a measure to create a pilot project aimed at treating and recycling some of an estimated 1 million tons of oil drilling waste annually for road building and other uses.

Rep. Todd Porter, R-Mandan, said the project is intended to turn "mounds and mounds and piles and piles" of the drilling byproduct into beneficial use.